In a certain imaginary language A$,$ B$,$ CDEFGHIJ are written as $9,8.7\mathrm{.}6\mathrm{.}5\mathrm{.}4\mathrm{.}2\mathrm{.}3\mathrm{.}0\mathrm{.}1$ and means means," means means Find the value of HG $($GFHI$+$HD$)($AL$-$HG$)/$CH D

$*$EIGE$/$ABF